[Dubbed]From Slums to God: Vincent and the Beast Umbral Cat

Vincent, a poor teenager, is betrayed by his girlfriend Elena, who steals his A-Tier dragon and leaves him with only an F-Tier cat. When the "God-Tier Beast Tamer System" awakens and upgrades his cat a millionfold, he rises from trash to godhood, uncovers the truth of two worlds, kills the half-step pseudo-god Lord of the Reverse World, defeats the fully corrupted Elena, fuses his Divinity to become a true god, and leaves to explore countless worlds.